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Sound Waves And Their Sources


Published 1933
Topics need keyword


Sources of sounds and characteristics of sound waves, shown by means of oscilloscopes and animated diagrams.


Run time 9:38
Production Company ERPI Classroom Films, Inc. Distributed by Encyclopedia Britannica
Audio/Visual sound, B&W

Reviews

Reviewer: Spuzz - - June 11, 2005
Subject: I can hear you now.
Surprisingly easy to follow film about how sound travels, the importance of pitch and loudness etc etc. A real surprise, especially coming from an outfit such as EB films.
Reviewer: Steve Nordby - - October 12, 2003
Subject: An unsound film
If you want to learn about sound, this film will not help. Poorly organized with lots of glossed-over jargon, poor explanations, and confusing illustrations. Tries get from the basic "what is sound?" to complex modal vibrations in a short educational film. A mess.
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